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25 lines
591 B
C
25 lines
591 B
C
//
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// arch/x86_64/fpu/cmp_ueq_64.h
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//
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// This file is subject to the terms and conditions defined in
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// 'LICENSE', which is part of this source code package.
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//
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#include "common.h"
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#include <emmintrin.h>
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#include <string.h>
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static inline uint8_t fpu_cmp_ueq_64(
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const uint64_t *fs, const uint64_t *ft) {
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double fs_double, ft_double;
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__m128d fs_reg, ft_reg;
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// Prevent aliasing.
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memcpy(&fs_double, fs, sizeof(fs_double));
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memcpy(&ft_double, ft, sizeof(ft_double));
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fs_reg = _mm_set_sd(fs_double);
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ft_reg = _mm_set_sd(ft_double);
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return _mm_comieq_sd(fs_reg, ft_reg);
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}
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